/*
Theme Name:  IROTSUNA
Theme URI:   https://irotsuna.com
Description: IROTSUNA ランディングページ用オリジナルWordPressテーマ
Author:      IROTSUNA
Author URI:  https://irotsuna.com
Version:     1.0.0
License:     All Rights Reserved
Text Domain: irotsuna
*/

/* ===== リセット & ベース ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent:      #1D1D1F;
  --accent-dark: #000000;
  --text:        #1D1D1F;
  --text-sub:    #6E6E73;
  --bg:          #FFFFFF;
  --bg-soft:     #F5F5F7;
  --border:      #D2D2D7;
  --dark:        #1D1D1F;
  --radius:      18px;
  --radius-lg:   28px;
}
:root {
  --primary:       var(--accent);
  --primary-dark:  var(--accent-dark);
  --primary-light: #EFEFEF;
  --bg-warm:       var(--bg-soft);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Hiragino Sans', 'Noto Sans JP', sans-serif;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: inherit; text-decoration: none; }

/* ===== ユーティリティ ===== */
.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

.section { padding: 160px 0; }
.section--dark    { background: var(--dark); color: #fff; }
.section--soft    { background: var(--bg-soft); }
.section--warm    { background: var(--bg-soft); }
.section--primary { background: var(--dark); color: #fff; }

.label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-sub);
  margin-bottom: 16px;
}
.label--white { color: rgba(255,255,255,.5); }

.section-title {
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.02em;
  margin-bottom: 20px;
}
.section-sub {
  font-size: 19px;
  color: var(--text-sub);
  max-width: 560px;
  margin: 0 auto 96px;
  line-height: 1.65;
}
.text-center { text-align: center; }

/* ===== ボタン ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 17px;
  padding: 16px 32px;
  border-radius: 999px;
  cursor: pointer;
  transition: opacity .2s, transform .15s;
  border: none;
}
.btn--primary {
  background: var(--accent);
  color: #fff;
}
.btn--primary:hover { opacity: .85; transform: translateY(-1px); }
.btn--outline-white {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.3);
}
.btn--outline-white:hover { background: rgba(255,255,255,.08); }
.btn--lg { font-size: 19px; padding: 20px 44px; }

/* ===== ナビゲーション ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(29,29,31,.88);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255,255,255,.07);
  padding: 14px 0;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  height: 36px;
  width: auto;
}
.nav__cta {
  font-size: 15px;
  padding: 10px 24px;
}

/* ===== HERO ===== */
.hero {
  background: var(--dark);
  color: #fff;
  padding: 180px 0 160px;
  overflow: hidden;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero__tag {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  color: rgba(255,255,255,.45);
  margin-bottom: 20px;
}
.hero__h1 {
  font-size: clamp(40px, 6.5vw, 64px);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 28px;
  letter-spacing: -.03em;
}
.hero__h1 em {
  font-style: normal;
  color: rgba(255,255,255,.6);
}
.hero__sub {
  font-size: 19px;
  color: rgba(255,255,255,.6);
  line-height: 1.75;
  margin-bottom: 48px;
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}
.hero__note {
  font-size: 13px;
  color: rgba(255,255,255,.35);
}
.hero__note strong { color: rgba(255,255,255,.6); }

/* フォンモックアップ */
.phone-mockup {
  position: relative;
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
}
.phone-mockup__frame {
  background: #000;
  border: 2px solid #3A3A3C;
  border-radius: 44px;
  padding: 16px 12px;
  box-shadow: 0 60px 120px rgba(0,0,0,.6);
}
.phone-mockup__notch {
  width: 56px;
  height: 8px;
  background: #3A3A3C;
  border-radius: 999px;
  margin: 0 auto 12px;
}
.phone-mockup__screen {
  background: #1C1C1E;
  border-radius: 32px;
  overflow: hidden;
  aspect-ratio: 9/19;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  gap: 12px;
}
.mock-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.7);
}
.mock-input {
  width: 100%;
  background: #2C2C2E;
  border: 1px solid #3A3A3C;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 12px;
  color: rgba(255,255,255,.45);
}
.mock-btn {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border-radius: 10px;
  padding: 10px;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}
.mock-img-placeholder {
  width: 100%;
  background: #2C2C2E;
  border-radius: 12px;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed #3A3A3C;
}
.mock-img-placeholder span { font-size: 11px; color: rgba(255,255,255,.25); }

/* ===== 共感セクション ===== */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 720px;
  margin: 0 auto;
}
.pain-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 32px;
}
.pain-card__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-sub);
}
.pain-card__text {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.65;
}

/* ===== 強みセクション ===== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
  margin-bottom: 140px;
}
.feature-block:last-child { margin-bottom: 0; }
.feature-block--reverse .feature-block__visual { order: -1; }

.feature-block__num {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-sub);
  letter-spacing: .12em;
  margin-bottom: 16px;
}
.feature-block__title {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.02em;
  margin-bottom: 20px;
}
.feature-block__body {
  font-size: 17px;
  color: var(--text-sub);
  line-height: 1.85;
  margin-bottom: 24px;
}
.feature-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--text-sub);
}
.feature-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.feature-visual img {
  width: auto;
  max-width: 280px;
  height: auto;
  border-radius: 28px;
  box-shadow: 0 32px 80px rgba(0,0,0,.15);
  display: block;
  margin: 0 auto;
}

/* ===== 使い方 ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(16.66% + 16px);
  right: calc(16.66% + 16px);
  height: 1px;
  background: var(--border);
}
.step { text-align: center; position: relative; }
.step__num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 22px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  position: relative; z-index: 1;
}
.step__title  { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.step__hint   { font-size: 14px; color: var(--text-sub); }
.step__example {
  display: inline-block;
  margin-top: 8px;
  font-size: 13px; color: var(--text-sub); font-weight: 600;
}

/* ===== 声 ===== */
.voices-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.voice-card {
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
}
.voice-card__quote {
  font-size: 44px;
  color: var(--accent);
  font-weight: 700;
  line-height: .8;
  margin-bottom: 16px;
}
.voice-card__body {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.75;
  margin-bottom: 24px;
}
.voice-card__meta {
  font-size: 13px;
  color: var(--text-sub);
  display: flex;
  align-items: center;
  gap: 10px;
}
.voice-card__avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-sub);
}

/* ===== ギャラリー ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.gallery-item {
  aspect-ratio: 1;
  background: var(--bg-soft);
  border-radius: 14px;
  overflow: hidden;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }
.gallery-item__placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--border);
}
.gallery-note { text-align: center; font-size: 14px; color: var(--text-sub); margin-top: 20px; }

/* ===== 料金 ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 16px;
  align-items: stretch;
}
.pricing-grid--2col {
  grid-template-columns: 1fr 1.4fr;
  max-width: 720px;
  margin: 0 auto;
}
.plan-card {
  border-radius: var(--radius-lg);
  padding: 52px 40px;
  background: var(--bg-soft);
}
.plan-card--featured {
  background: var(--dark);
  color: #fff;
  position: relative;
}
.plan-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 12px; font-weight: 700;
  padding: 4px 20px;
  border-radius: 999px;
  white-space: nowrap;
}
.plan-card__name  { font-size: 17px; font-weight: 700; margin-bottom: 12px; letter-spacing: -.01em; }
.plan-card__price { margin-bottom: 4px; }
.plan-card__price strong {
  font-size: 46px;
  font-weight: 700;
  letter-spacing: -.03em;
}
.plan-card__price span { font-size: 15px; color: var(--text-sub); }
.plan-card--featured .plan-card__price span { color: rgba(255,255,255,.5); }
.plan-card__items {
  list-style: none;
  display: flex; flex-direction: column; gap: 10px;
  font-size: 14px;
}
.plan-card__items li {
  display: flex; align-items: center; gap: 8px;
}
.plan-card__items li.muted { color: var(--text-sub); }

/* ===== FAQ ===== */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-q {
  width: 100%;
  background: none; border: none;
  text-align: left;
  font-family: inherit;
  font-size: 17px; font-weight: 600;
  color: var(--text);
  padding: 24px 40px 24px 0;
  cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  position: relative;
  letter-spacing: -.01em;
}
.faq-q::after {
  content: '+';
  position: absolute; right: 0;
  font-size: 22px; font-weight: 300;
  color: var(--text-sub);
  transition: transform .25s;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  font-size: 16px;
  color: var(--text-sub);
  line-height: 1.85;
  max-height: 0;
  overflow: hidden;
  padding-bottom: 0;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1),
              padding-bottom 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item.open .faq-a { padding-bottom: 28px; }

/* ===== 最終CTA ===== */
.final-cta__heading {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -.03em;
  margin-bottom: 20px;
  line-height: 1.15;
}
.final-cta__sub {
  font-size: 19px;
  opacity: .6;
  margin-bottom: 56px;
}
.store-badges { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.store-badge {
  display: flex; align-items: center; gap: 14px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  padding: 16px 28px;
  transition: background .2s;
  min-width: 200px;
}
.store-badge:hover { background: rgba(255,255,255,.14); }
.store-badge__text { text-align: left; }
.store-badge__store-name { font-size: 12px; opacity: .55; }
.store-badge__label      { font-size: 18px; font-weight: 700; }

/* ===== フッター ===== */
.footer {
  background: var(--bg-soft);
  color: var(--text-sub);
  padding: 48px 0;
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.footer__logo { height: 28px; opacity: .45; filter: invert(1) brightness(0); }
.footer__links { display: flex; flex-wrap: wrap; gap: 24px; font-size: 14px; }
.footer__links a:hover { color: var(--text); }
.footer__copy { font-size: 13px; }

/* ===== SVGアイコン ===== */
.icon { width: 1em; height: 1em; fill: currentColor; display: inline-block; vertical-align: middle; }

/* ===== 2フロー ===== */
.flows { display: flex; flex-direction: column; gap: 24px; }

.flow-block {
  border-radius: var(--radius-lg);
  padding: 64px;
  background: var(--bg-soft);
}
.flow-block--sns   { background: var(--bg-soft); }
.flow-block--print { background: var(--bg-soft); }

.flow-block__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 52px;
}
.flow-block__icon-wrap {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  background: var(--accent);
  color: #fff;
}
.flow-block--print .flow-block__icon-wrap { background: var(--dark); }

.flow-block__label {
  font-size: 12px; font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-sub);
  margin-bottom: 4px;
}
.flow-block__title { font-size: 20px; font-weight: 700; color: var(--text); letter-spacing: -.01em; }

.flow-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
}
.flow-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(16.66% + 12px);
  right: calc(16.66% + 12px);
  height: 1px;
  background: var(--border);
  z-index: 0;
}
.flow-step { text-align: center; position: relative; padding: 0 12px; }

.flow-step__num {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 20px;
  position: relative; z-index: 1;
  background: var(--accent);
  color: #fff;
}
.flow-block--print .flow-step__num { background: var(--dark); }

.flow-step__title { font-size: 15px; font-weight: 700; margin-bottom: 8px; letter-spacing: -.01em; }
.flow-step__hint  { font-size: 13px; color: var(--text-sub); line-height: 1.65; }

.flow-screenshots {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 52px;
}
.flow-screenshot {
  background: #1C1C1E;
  border-radius: 20px;
  aspect-ratio: 9/18;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.flow-screenshot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 20px;
}
.flow-screenshot__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.2);
  font-size: 12px;
  text-align: center;
  padding: 16px;
}
.flow-screenshot__placeholder i { font-size: 28px; }
.flow-screenshot__label {
  position: absolute;
  bottom: 10px;
  left: 0; right: 0;
  text-align: center;
  font-size: 11px;
  color: rgba(255,255,255,.25);
}

/* ===== AIカスタマイズ ===== */
.customize-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.customize-card {
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 40px 36px;
}
.customize-card__icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--bg);
  color: var(--text-sub);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 20px;
}
.customize-card__title { font-size: 16px; font-weight: 700; margin-bottom: 8px; letter-spacing: -.01em; }
.customize-card__body  { font-size: 14px; color: var(--text-sub); line-height: 1.7; }

/* ===== コミュニティ ===== */
.community-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.community-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 36px 32px;
}
.community-item__icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  background: var(--bg);
  color: var(--text-sub);
}
.community-item__title { font-size: 15px; font-weight: 700; margin-bottom: 6px; letter-spacing: -.01em; }
.community-item__body  { font-size: 13px; color: var(--text-sub); line-height: 1.7; }

/* ===== 料金プラン補足 ===== */
.plan-card__sub { font-size: 12px; color: var(--text-sub); margin-bottom: 24px; }
.plan-card--featured .plan-card__sub { color: rgba(255,255,255,.45); }
.plan-card__items li i.fa-check { color: var(--text-sub); flex-shrink: 0; }
.plan-card--featured .plan-card__items li i.fa-check { color: rgba(255,255,255,.7); }
.plan-card__items li i.fa-xmark { color: var(--border); flex-shrink: 0; }
.plan-card__item--muted { color: var(--text-sub); }
.plan-card--featured .plan-card__item--muted { color: rgba(255,255,255,.35); }
.pricing-notes {
  display: flex; justify-content: center; gap: 56px;
  margin-top: 72px; flex-wrap: wrap;
}
.pricing-note {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-sub); text-align: center; line-height: 1.5;
}
.pricing-note i { font-size: 22px; color: var(--text-sub); }

/* ===== 単品購入ブロック ===== */
.credit-pack-block {
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  padding: 56px 64px;
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 80px;
}
.credit-pack-block__left { flex: 1; }
.credit-pack-block__name {
  font-size: 12px; font-weight: 600; color: var(--text-sub);
  letter-spacing: .1em; text-transform: uppercase; margin-bottom: 10px;
}
.credit-pack-block__title {
  font-size: clamp(18px, 2vw, 22px); font-weight: 700;
  letter-spacing: -.02em; margin-bottom: 12px; line-height: 1.3;
}
.credit-pack-block__body { font-size: 15px; color: var(--text-sub); line-height: 1.75; }
.credit-pack-block__right { display: flex; gap: 16px; flex-shrink: 0; }
.credit-pack-item {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 36px;
  text-align: center;
  min-width: 150px;
}
.credit-pack-item__count {
  font-size: 13px; font-weight: 600; color: var(--text-sub); margin-bottom: 8px;
}
.credit-pack-item__price {
  font-size: 13px; color: var(--text-sub); font-weight: 500;
}
.credit-pack-item__price strong { font-size: 36px; font-weight: 700; color: var(--text); letter-spacing: -.03em; }
.credit-pack-item__note { font-size: 12px; color: var(--border); margin-top: 6px; }

/* ===== アニメーション ===== */
@keyframes hero-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__tag  { opacity: 0; animation: hero-in .8s cubic-bezier(.25,.46,.45,.94) .1s forwards; }
.hero__h1   { opacity: 0; animation: hero-in .9s cubic-bezier(.25,.46,.45,.94) .22s forwards; }
.hero__sub  { opacity: 0; animation: hero-in .9s cubic-bezier(.25,.46,.45,.94) .38s forwards; }
.hero__ctas { opacity: 0; animation: hero-in .9s cubic-bezier(.25,.46,.45,.94) .52s forwards; }
.hero__note { opacity: 0; animation: hero-in .9s cubic-bezier(.25,.46,.45,.94) .62s forwards; }
.phone-mockup { opacity: 0; animation: hero-in 1.1s cubic-bezier(.25,.46,.45,.94) .3s forwards; }

.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s cubic-bezier(.25,.46,.45,.94),
              transform .7s cubic-bezier(.25,.46,.45,.94);
}
.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== ヒーロー2枚重ねモックアップ ===== */
.phone-duo {
  position: relative;
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
  height: 520px;
  opacity: 0;
  animation: hero-in 1.1s cubic-bezier(.25,.46,.45,.94) .3s forwards;
}
.phone-duo .phone-mockup {
  position: absolute;
  opacity: 1 !important;
  animation: none !important;
}
.phone-duo .phone-mockup--back {
  right: -10%;
  top: 50px;
  max-width: 240px;
  transform: rotate(8deg);
  z-index: 1;
}
.phone-duo .phone-mockup--front {
  left: 0;
  top: 0;
  max-width: 270px;
  transform: rotate(-2deg);
  z-index: 2;
  filter: drop-shadow(0 24px 48px rgba(0,0,0,.7));
}
.phone-duo__label {
  position: absolute;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  z-index: 10;
  pointer-events: none;
}
.phone-duo__badge {
  position: absolute;
  top: 42%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 20;
  background: #ffffff;
  color: #1D1D1F;
  font-size: 12px;
  font-weight: 800;
  padding: 8px 16px;
  border-radius: 999px;
  box-shadow: 0 6px 24px rgba(0,0,0,.45);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  letter-spacing: .02em;
}
.phone-duo__badge i { color: #FF9F0A; font-size: 13px; }

/* ===== レスポンシブ ===== */
@media (max-width: 1024px) {
  .section { padding: 120px 0; }
  .hero { padding: 140px 0 120px; }
  .hero__inner { gap: 48px; }

  .feature-block { gap: 56px; margin-bottom: 100px; }
  .customize-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }

  .pricing-grid--2col {
    grid-template-columns: 1fr 1.3fr;
    max-width: 680px;
    margin: 0 auto;
  }
  .credit-pack-block { padding: 44px 48px; gap: 48px; }

  .phone-duo { max-width: 300px; height: 460px; }
  .phone-duo .phone-mockup--back  { max-width: 185px; top: 38px; right: -5%; }
  .phone-duo .phone-mockup--front { max-width: 198px; }
}

@media (max-width: 768px) {
  .section { padding: 88px 0; }
  .section-sub { margin-bottom: 56px; font-size: 16px; }

  .nav__logo { height: 28px; }
  .nav__cta  { display: none; }

  .hero { padding: 88px 0 72px; }
  .hero__inner { grid-template-columns: 1fr; gap: 0; }
  .hero__sub { font-size: 16px; margin-bottom: 36px; }
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { width: 100%; justify-content: center; }

  .phone-duo {
    max-width: 280px;
    height: 340px;
    margin: 48px auto 0;
  }
  .phone-duo .phone-mockup         { display: block; }
  .phone-duo .phone-mockup--back   { max-width: 148px; top: 28px; right: 0; transform: rotate(6deg); }
  .phone-duo .phone-mockup--front  { max-width: 158px; }
  .phone-duo__badge { font-size: 10px; padding: 6px 11px; top: 42%; }
  .phone-duo__label { display: none; }

  .pain-grid { grid-template-columns: 1fr; }
  .pain-card { padding: 24px; }

  .feature-block { grid-template-columns: 1fr; gap: 32px; margin-bottom: 64px; }
  .feature-block--reverse .feature-block__visual { order: 0; }
  .feature-visual img { max-width: 220px; }

  .flow-block { padding: 32px 20px; }
  .flow-block__header { margin-bottom: 36px; }
  .flow-steps { grid-template-columns: 1fr; gap: 20px; }
  .flow-steps::before { display: none; }
  .flow-screenshots {
    display: flex;
    overflow-x: auto;
    gap: 14px;
    margin-top: 36px;
    padding-bottom: 12px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }
  .flow-screenshot {
    flex: 0 0 52vw;
    max-width: 200px;
    scroll-snap-align: start;
  }

  .customize-grid { grid-template-columns: 1fr; }
  .customize-card { padding: 28px 24px; }

  .community-list { grid-template-columns: 1fr; }
  .community-item { padding: 24px 20px; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }

  .pricing-grid--2col {
    grid-template-columns: 1fr !important;
    max-width: 100% !important;
  }
  .plan-card { padding: 36px 28px; }
  .plan-card--featured { order: -1; }
  .plan-card__price strong { font-size: 38px; }
  .pricing-notes { gap: 20px; }
  .credit-pack-block { flex-direction: column; gap: 28px; padding: 28px 20px; }
  .credit-pack-block__right { flex-direction: row; width: 100%; }
  .credit-pack-item { flex: 1; min-width: 0; padding: 20px 12px; }
  .credit-pack-item__price strong { font-size: 28px; }

  .faq-q { font-size: 15px; }

  .footer__inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .store-badges  { flex-direction: column; align-items: stretch; }
  .store-badge   { justify-content: center; }
}

@media (max-width: 390px) {
  .container { padding: 0 16px; }
  .hero__h1 { font-size: 34px; }
  .phone-duo { max-width: 240px; height: 300px; }
  .phone-duo .phone-mockup--back   { max-width: 126px; }
  .phone-duo .phone-mockup--front  { max-width: 135px; }
  .flow-screenshot { flex: 0 0 70vw; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
}